This Just Like Mom's' Apple Crisp recipe contains butter or margarine, brown sugar, granny smith apple, old-fashioned or quick-cooking oats, brown sugar and more.
Coarsely chop frozen blackberries, and place them back in the freezer until ready to stir into the batter. To freeze muffins, let cool completely, and place in zip-top plastic bags. Reheat in microwave 20 seconds.